function setlocale (category, locale) {
    // http://kevin.vanzonneveld.net
    // +   original by: Brett Zamir (http://brett-zamir.me)
    // +   derived from: Blues at http://hacks.bluesmoon.info/strftime/strftime.js
    // +   derived from: YUI Library: http://developer.yahoo.com/yui/docs/YAHOO.util.DateLocale.html
    // -    depends on: getenv
    // %          note 1: Is extensible, but currently only implements locales en,
    // %          note 1: en_US, en_GB, en_AU, fr, and fr_CA for LC_TIME only; C for LC_CTYPE;
    // %          note 1: C and en for LC_MONETARY/LC_NUMERIC; en for LC_COLLATE
    // %          note 2: Uses global: php_js to store locale info
    // %          note 3: Consider using http://demo.icu-project.org/icu-bin/locexp as basis for localization (as in i18n_loc_set_default())
    // *     example 1: setlocale('LC_ALL', 'en_US');
    // *     returns 1: 'en_US'
    var categ = '', cats = [], i = 0, d = this.window.document;

    // BEGIN STATIC
    var _copy = function _copy (orig) {
        if (orig instanceof RegExp) {
            return new RegExp(orig);
        }
        else if (orig instanceof Date) {
            return new Date(orig);
        }
        var newObj = {};
        for (var i in orig) {
            if (typeof orig[i] === 'object') {
                newObj[i] = _copy(orig[i]);
            }
            else {
                newObj[i] = orig[i];
            }
        }
        return newObj;
    };

    // Function usable by a ngettext implementation (apparently not an accessible part of setlocale(), but locale-specific)
    // See http://www.gnu.org/software/gettext/manual/gettext.html#Plural-forms though amended with others from
    // https://developer.mozilla.org/En/Localization_and_Plurals (new categories noted with "MDC" below, though
    // not sure of whether there is a convention for the relative order of these newer groups as far as ngettext)
    // The function name indicates the number of plural forms (nplural)
    // Need to look into http://cldr.unicode.org/ (maybe future JavaScript); Dojo has some functions (under new BSD),
    // including JSON conversions of LDML XML from CLDR: http://bugs.dojotoolkit.org/browser/dojo/trunk/cldr
    // and docs at http://api.dojotoolkit.org/jsdoc/HEAD/dojo.cldr
    var _nplurals1 = function (n) { // e.g., Japanese
        return 0;
    };
    var _nplurals2a = function (n) { // e.g., English
        return n !== 1 ? 1 : 0;
    };
    var _nplurals2b = function (n) { // e.g., French
        return n > 1 ? 1 : 0;
    };
    var _nplurals2c = function (n) { // e.g., Icelandic (MDC)
        return n % 10 === 1 && n % 100 !== 11 ? 0 : 1;
    };
    var _nplurals3a = function (n) { // e.g., Latvian (MDC has a different order from gettext)
        return n % 10 === 1 && n % 100 !== 11 ? 0 : n !== 0 ? 1 : 2;
    };
    var _nplurals3b = function (n) { // e.g., Scottish Gaelic
        return n === 1 ? 0 : n === 2 ? 1 : 2;
    };
    var _nplurals3c = function (n) { // e.g., Romanian
        return n === 1 ? 0 : (n === 0 || (n % 100 > 0 && n % 100 < 20)) ? 1 : 2;
    };
    var _nplurals3d = function (n) { // e.g., Lithuanian (MDC has a different order from gettext)
        return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >= 2 && (n % 100 <10 || n % 100 >= 20) ? 1 : 2;
    };
    var _nplurals3e = function (n) { // e.g., Croatian
        return n % 10 === 1 && n % 100 !== 11 ? 0 : n % 10 >=2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
    };
    var _nplurals3f = function (n) { // e.g., Slovak
        return n === 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2;
    };
    var _nplurals3g = function (n) { // e.g., Polish
        return n === 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
    };
    var _nplurals3h = function (n) { // e.g., Macedonian (MDC)
        return n % 10 === 1 ? 0 : n % 10 === 2 ? 1 : 2;
    };
    var _nplurals4a = function (n) { // e.g., Slovenian
        return n % 100 === 1 ? 0 : n % 100 === 2 ? 1 : n % 100 === 3 || n % 100 === 4 ? 2 : 3;
    };
    var _nplurals4b = function (n) { // e.g., Maltese (MDC)
        return n === 1 ? 0 : n === 0 || (n % 100 && n % 100 <= 10) ? 1 : n % 100 >= 11 && n % 100 <= 19 ? 2 : 3;
    };
    var _nplurals5 = function (n) { // e.g., Irish Gaeilge (MDC)
        return n === 1 ? 0 : n === 2 ? 1 : n >=3 && n <= 6 ? 2 : n >= 7 && n <= 10 ? 3 : 4;
    };
    var _nplurals6 = function (n) { // e.g., Arabic (MDC) - Per MDC puts 0 as last group
        return n === 0 ? 5 : n === 1 ? 0 : n === 2 ? 1 : n % 100 >= 3 && n % 100 <= 10 ?
                                                                                                                                2 : n % 100 >= 11 && n % 100 <= 99 ? 3 : 4;
    };
    // END STATIC

    // BEGIN REDUNDANT
    this.php_js = this.php_js || {};
    
    var phpjs = this.php_js;

    // Reconcile Windows vs. *nix locale names?
    // Allow different priority orders of languages, esp. if implement gettext as in
    //     LANGUAGE env. var.? (e.g., show German if French is not available)
    if (!phpjs.locales) {
        // Can add to the locales
        phpjs.locales = {};

        phpjs.locales.en = {
            'LC_COLLATE' :  // For strcoll
                function ( str1, str2 ) { // Fix: This one taken from strcmp, but need for other locales; we don't use localeCompare since its locale is not settable
                    return ( str1 == str2 ) ? 0 : ( ( str1 > str2 ) ? 1 : -1 );
                }
            ,
            'LC_CTYPE' : { // Need to change any of these for English as opposed to C?
                an: /^[A-Za-z\d]+$/g,
                al: /^[A-Za-z]+$/g,
                ct: /^[\u0000-\u001F\u007F]+$/g,
                dg: /^[\d]+$/g,
                gr: /^[\u0021-\u007E]+$/g,
                lw: /^[a-z]+$/g,
                pr: /^[\u0020-\u007E]+$/g,
                pu: /^[\u0021-\u002F\u003A-\u0040\u005B-\u0060\u007B-\u007E]+$/g,
                sp: /^[\f\n\r\t\v ]+$/g,
                up: /^[A-Z]+$/g,
                xd: /^[A-Fa-f\d]+$/g,
                CODESET : 'UTF-8',
                 // Used by sql_regcase
                lower : 'abcdefghijklmnopqrstuvwxyz',
                upper : 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
            },
            'LC_TIME' : { // Comments include nl_langinfo() constant equivalents and any changes from Blues' implementation
                a: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // ABDAY_
                A: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // DAY_
                b: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // ABMON_
                B: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'], // MON_
                c: '%a %d %b %Y %r %Z', // D_T_FMT // changed %T to %r per results
                p: ['AM', 'PM'], // AM_STR/PM_STR
                P: ['am', 'pm'], // Not available in nl_langinfo()
                r: '%I:%M:%S %p', // T_FMT_AMPM (Fixed for all locales)
                x: '%m/%d/%Y', // D_FMT // switched order of %m and %d; changed %y to %Y (C uses %y)
                X: '%r', // T_FMT // changed from %T to %r  (%T is default for C, not English US)
                // Following are from nl_langinfo() or http://www.cptec.inpe.br/sx4/sx4man2/g1ab02e/strftime.4.html
                alt_digits : '', // e.g., ordinal
                ERA : '',
                ERA_YEAR : '',
                ERA_D_T_FMT : '',
                ERA_D_FMT : '',
                ERA_T_FMT : ''
            },
             // Assuming distinction between numeric and monetary is thus:
             // See below for C locale
            'LC_MONETARY' : { // Based on Windows "english" (English_United States.1252) locale
                int_curr_symbol : 'USD',
                currency_symbol : '$',
                mon_decimal_point : '.',
                mon_thousands_sep : ',',
                mon_grouping : [3], // use mon_thousands_sep; "" for no grouping; additional array members indicate successive group lengths after first group (e.g., if to be 1,23,456, could be [3, 2])
                positive_sign : '',
                negative_sign : '-',
                int_frac_digits : 2, // Fractional digits only for money defaults?
                frac_digits : 2,
                p_cs_precedes : 1, // positive currency symbol follows value = 0; precedes value = 1
                p_sep_by_space : 0, // 0: no space between curr. symbol and value; 1: space sep. them unless symb. and sign are adjacent then space sep. them from value; 2: space sep. sign and value unless symb. and sign are adjacent then space separates
                n_cs_precedes : 1, // see p_cs_precedes
                n_sep_by_space : 0, // see p_sep_by_space
                p_sign_posn : 3, // 0: parentheses surround quantity and curr. symbol; 1: sign precedes them; 2: sign follows them; 3: sign immed. precedes curr. symbol; 4: sign immed. succeeds curr. symbol
                n_sign_posn : 0 // see p_sign_posn
            },
            'LC_NUMERIC' : { // Based on Windows "english" (English_United States.1252) locale
                decimal_point : '.',
                thousands_sep : ',',
                grouping : [3] // see mon_grouping, but for non-monetary values (use thousands_sep)
            },
            'LC_MESSAGES' : {
                YESEXPR : '^[yY].*',
                NOEXPR : '^[nN].*',
                YESSTR : '',
                NOSTR : ''
            },
            nplurals : _nplurals2a
        };
        phpjs.locales.en_US = _copy(phpjs.locales.en);
        phpjs.locales.en_US.LC_TIME.c = '%a %d %b %Y %r %Z';
        phpjs.locales.en_US.LC_TIME.x = '%D';
        phpjs.locales.en_US.LC_TIME.X = '%r';
        // The following are based on *nix settings
        phpjs.locales.en_US.LC_MONETARY.int_curr_symbol = 'USD ';
        phpjs.locales.en_US.LC_MONETARY.p_sign_posn = 1;
        phpjs.locales.en_US.LC_MONETARY.n_sign_posn = 1;
        phpjs.locales.en_US.LC_MONETARY.mon_grouping = [3, 3];
        phpjs.locales.en_US.LC_NUMERIC.thousands_sep = '';
        phpjs.locales.en_US.LC_NUMERIC.grouping = [];

        phpjs.locales.en_GB = _copy(phpjs.locales.en);
        phpjs.locales.en_GB.LC_TIME.r =  '%l:%M:%S %P %Z';

        phpjs.locales.en_AU = _copy(phpjs.locales.en_GB);
        phpjs.locales.C = _copy(phpjs.locales.en); // Assume C locale is like English (?) (We need C locale for LC_CTYPE)
        phpjs.locales.C.LC_CTYPE.CODESET = 'ANSI_X3.4-1968';
        phpjs.locales.C.LC_MONETARY = {
            int_curr_symbol : '',
            currency_symbol : '',
            mon_decimal_point : '',
            mon_thousands_sep : '',
            mon_grouping : [],
            p_cs_precedes : 127,
            p_sep_by_space : 127,
            n_cs_precedes : 127,
            n_sep_by_space : 127,
            p_sign_posn : 127,
            n_sign_posn : 127,
            positive_sign : '',
            negative_sign : '',
            int_frac_digits : 127,
            frac_digits : 127
        };
        phpjs.locales.C.LC_NUMERIC = {
            decimal_point : '.',
            thousands_sep : '',
            grouping : []
        };
        phpjs.locales.C.LC_TIME.c = '%a %b %e %H:%M:%S %Y'; // D_T_FMT
        phpjs.locales.C.LC_TIME.x = '%m/%d/%y'; // D_FMT
        phpjs.locales.C.LC_TIME.X = '%H:%M:%S'; // T_FMT
        phpjs.locales.C.LC_MESSAGES.YESEXPR = '^[yY]';
        phpjs.locales.C.LC_MESSAGES.NOEXPR = '^[nN]';

        phpjs.locales.fr =_copy(phpjs.locales.en);
        phpjs.locales.fr.nplurals = _nplurals2b;
        phpjs.locales.fr.LC_TIME.a = ['dim', 'lun', 'mar', 'mer', 'jeu', 'ven', 'sam'];
        phpjs.locales.fr.LC_TIME.A = ['dimanche', 'lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi'];
        phpjs.locales.fr.LC_TIME.b = ['jan', 'f\u00E9v', 'mar', 'avr', 'mai', 'jun', 'jui', 'ao\u00FB', 'sep', 'oct', 'nov', 'd\u00E9c'];
        phpjs.locales.fr.LC_TIME.B = ['janvier', 'f\u00E9vrier', 'mars', 'avril', 'mai', 'juin', 'juillet', 'ao\u00FBt', 'septembre', 'octobre', 'novembre', 'd\u00E9cembre'];
        phpjs.locales.fr.LC_TIME.c = '%a %d %b %Y %T %Z';
        phpjs.locales.fr.LC_TIME.p = ['', ''];
        phpjs.locales.fr.LC_TIME.P = ['', ''];
        phpjs.locales.fr.LC_TIME.x = '%d.%m.%Y';
        phpjs.locales.fr.LC_TIME.X = '%T';

        phpjs.locales.fr_CA = _copy(phpjs.locales.fr);
        phpjs.locales.fr_CA.LC_TIME.x = '%Y-%m-%d';
    }
    if (!phpjs.locale) {
        phpjs.locale = 'en_US';
        var NS_XHTML = 'http://www.w3.org/1999/xhtml';
        var NS_XML = 'http://www.w3.org/XML/1998/namespace';
        if (d.getElementsByTagNameNS &&
                d.getElementsByTagNameNS(NS_XHTML, 'html')[0]) {
            if (d.getElementsByTagNameNS(NS_XHTML, 'html')[0].getAttributeNS &&
                    d.getElementsByTagNameNS(NS_XHTML, 'html')[0].getAttributeNS(NS_XML, 'lang')) {
                phpjs.locale = d.getElementsByTagName(NS_XHTML, 'html')[0].getAttributeNS(NS_XML, 'lang');
            } else if (d.getElementsByTagNameNS(NS_XHTML, 'html')[0].lang) { // XHTML 1.0 only
                phpjs.locale = d.getElementsByTagNameNS(NS_XHTML, 'html')[0].lang;
            }
        } else if (d.getElementsByTagName('html')[0] && d.getElementsByTagName('html')[0].lang) {
            phpjs.locale = d.getElementsByTagName('html')[0].lang;
        }
    }
    phpjs.locale = phpjs.locale.replace('-', '_'); // PHP-style

    // Fix locale if declared locale hasn't been defined
    if (!(phpjs.locale in phpjs.locales)) {
        if (phpjs.locale.replace(/_[a-zA-Z]+$/, '') in phpjs.locales) {
            phpjs.locale = phpjs.locale.replace(/_[a-zA-Z]+$/, '');
        }
    }

    if (!phpjs.localeCategories) {
        phpjs.localeCategories = {
            'LC_COLLATE': phpjs.locale, // for string comparison, see strcoll()
            'LC_CTYPE': phpjs.locale,// for character classification and conversion, for example strtoupper()
            'LC_MONETARY': phpjs.locale,// for localeconv()
            'LC_NUMERIC': phpjs.locale,// for decimal separator (See also localeconv())
            'LC_TIME': phpjs.locale,// for date and time formatting with strftime()
            'LC_MESSAGES':phpjs.locale// for system responses (available if PHP was compiled with libintl)
        };
    }
    // END REDUNDANT

    if (locale === null || locale === '') {
        locale = this.getenv(category) || this.getenv('LANG');
    } else if (locale instanceof Array) {
        for (i=0; i < locale.length; i++) {
            if (!(locale[i] in this.php_js.locales)) {
                if (i === locale.length-1) {
                    return false; // none found
                }
                continue;
            }
            locale = locale[i];
            break;
        }
    }

    // Just get the locale
    if (locale === '0' || locale === 0) {
        if (category === 'LC_ALL') {
            for (categ in this.php_js.localeCategories) {
                cats.push(categ+'='+this.php_js.localeCategories[categ]); // Add ".UTF-8" or allow ".@latint", etc. to the end?
            }
            return cats.join(';');
        }
        return this.php_js.localeCategories[category];
    }

    if (!(locale in this.php_js.locales)) {
        return false; // Locale not found
    }

    // Set and get locale
    if (category === 'LC_ALL') {
        for (categ in this.php_js.localeCategories) {
            this.php_js.localeCategories[categ] = locale;
        }
    } else {
        this.php_js.localeCategories[category] = locale;
    }
    return locale;
}

function strftime (fmt, timestamp) {
    // http://kevin.vanzonneveld.net
    // +      original by: Blues (http://tech.bluesmoon.info/)
    // + reimplemented by: Brett Zamir (http://brett-zamir.me)
    // +   input by: Alex
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // -       depends on: setlocale
    // %        note 1: Uses global: php_js to store locale info
    // *        example 1: strftime("%A", 1062462400); // Return value will depend on date and locale
    // *        returns 1: 'Tuesday'

    // BEGIN REDUNDANT
    this.php_js = this.php_js || {};
    this.setlocale('LC_ALL', 0); // ensure setup of localization variables takes place
    // END REDUNDANT
    var phpjs = this.php_js;

    // BEGIN STATIC
    var _xPad = function (x, pad, r) {
        if (typeof r === 'undefined') {
            r=10;
        }
        for ( ; parseInt(x, 10)<r && r>1; r/=10) {
            x = pad.toString() + x;
        }
        return x.toString();
    };

    var locale = phpjs.localeCategories.LC_TIME;
    var locales = phpjs.locales;
    var lc_time = locales[locale].LC_TIME;

    var _formats = {
        a: function (d) {
            return lc_time.a[d.getDay()];
        },
        A: function (d) {
            return lc_time.A[d.getDay()];
        },
        b: function (d) {
            return lc_time.b[d.getMonth()];
        },
        B: function (d) {
            return lc_time.B[d.getMonth()];
        },
        C: function (d) {
            return _xPad(parseInt(d.getFullYear()/100, 10), 0);
        },
        d: ['getDate', '0'],
        e: ['getDate', ' '],
        g: function (d) {
            return _xPad(parseInt(this.G(d)/100, 10), 0);
        },
        G: function (d) {
            var y = d.getFullYear();
            var V = parseInt(_formats.V(d), 10);
            var W = parseInt(_formats.W(d), 10);

            if (W > V) {
                y++;
            }
            else if (W === 0 && V >= 52) {
                y--;
            }

            return y;
        },
        H: ['getHours', '0'],
        I: function (d) {
            var I=d.getHours()%12; return _xPad(I===0?12:I, 0);
        },
        j: function (d) {
            var ms = d - new Date('' + d.getFullYear() + '/1/1 GMT');
            ms += d.getTimezoneOffset()*60000; // Line differs from Yahoo implementation which would be equivalent to replacing it here with:
            // ms = new Date('' + d.getFullYear() + '/' + (d.getMonth()+1) + '/' + d.getDate() + ' GMT') - ms;

            var doy = parseInt(ms/60000/60/24, 10)+1;
            return _xPad(doy, 0, 100);
        },
        k: ['getHours', '0'], // not in PHP, but implemented here (as in Yahoo)
        l: function (d) {
            var l=d.getHours()%12; return _xPad(l===0?12:l, ' ');
        },
        m: function (d) {
            return _xPad(d.getMonth()+1, 0);
        },
        M: ['getMinutes', '0'],
        p: function (d) {
            return lc_time.p[d.getHours() >= 12 ? 1 : 0 ];
        },
        P: function (d) {
            return lc_time.P[d.getHours() >= 12 ? 1 : 0 ];
        },
        s: function (d) { // Yahoo uses return parseInt(d.getTime()/1000, 10);
            return Date.parse(d)/1000;
        },
        S: ['getSeconds', '0'],
        u: function (d) {
            var dow = d.getDay(); return ( (dow===0) ? 7 : dow );
        },
        U: function (d) {
            var doy = parseInt(_formats.j(d), 10);
            var rdow = 6-d.getDay();
            var woy = parseInt((doy+rdow)/7, 10);
            return _xPad(woy, 0);
        },
        V: function (d) {
            var woy = parseInt(_formats.W(d), 10);
            var dow1_1 = (new Date('' + d.getFullYear() + '/1/1')).getDay();
            // First week is 01 and not 00 as in the case of %U and %W,
            // so we add 1 to the final result except if day 1 of the year
            // is a Monday (then %W returns 01).
            // We also need to subtract 1 if the day 1 of the year is
            // Friday-Sunday, so the resulting equation becomes:
            var idow = woy + (dow1_1 > 4 || dow1_1 <= 1 ? 0 : 1);
            if (idow === 53 && (new Date('' + d.getFullYear() + '/12/31')).getDay() < 4) {
                idow = 1;
            }
            else if (idow === 0) {
                idow = _formats.V(new Date('' + (d.getFullYear()-1) + '/12/31'));
            }
            return _xPad(idow, 0);
        },
        w: 'getDay',
        W: function (d) {
            var doy = parseInt(_formats.j(d), 10);
            var rdow = 7-_formats.u(d);
            var woy = parseInt((doy+rdow)/7, 10);
            return _xPad(woy, 0, 10);
        },
        y: function (d) {
            return _xPad(d.getFullYear()%100, 0);
        },
        Y: 'getFullYear',
        z: function (d) {
            var o = d.getTimezoneOffset();
            var H = _xPad(parseInt(Math.abs(o/60), 10), 0);
            var M = _xPad(o%60, 0);
            return (o>0?'-':'+') + H + M;
        },
        Z: function (d) {
            return d.toString().replace(/^.*\(([^)]+)\)$/, '$1');
            /*
            // Yahoo's: Better?
            var tz = d.toString().replace(/^.*:\d\d( GMT[+-]\d+)? \(?([A-Za-z ]+)\)?\d*$/, '$2').replace(/[a-z ]/g, '');
            if(tz.length > 4) {
                tz = Dt.formats.z(d);
            }
            return tz;
            */
        },
        '%': function (d) {
            return '%';
        }
    };
    // END STATIC

/* Fix: Locale alternatives are supported though not documented in PHP; see http://linux.die.net/man/3/strptime
Ec
EC
Ex
EX
Ey
EY
Od or Oe
OH
OI
Om
OM
OS
OU
Ow
OW
Oy
*/

    var _date=(
        (typeof(timestamp) == 'undefined') ? new Date() : // Not provided
        (typeof(timestamp) == 'object') ? new Date(timestamp) : // Javascript Date()
        new Date(timestamp*1000) // PHP API expects UNIX timestamp (auto-convert to int)
    );

    var _aggregates = {
        c: 'locale',
        D: '%m/%d/%y',
        F: '%y-%m-%d',
        h: '%b',
        n: '\n',
        r: 'locale',
        R: '%H:%M',
        t: '\t',
        T: '%H:%M:%S',
        x: 'locale',
        X: 'locale'
    };


    // First replace aggregates (run in a loop because an agg may be made up of other aggs)
    while (fmt.match(/%[cDFhnrRtTxX]/)) {
        fmt = fmt.replace(/%([cDFhnrRtTxX])/g, function (m0, m1) {
            var f = _aggregates[m1];
            return (f === 'locale' ? lc_time[m1] : f);
        });
    }

    // Now replace formats - we need a closure so that the date object gets passed through
    var str = fmt.replace(/%([aAbBCdegGHIjklmMpPsSuUVwWyYzZ%])/g, function (m0, m1) {
        var f = _formats[m1];
        if (typeof f === 'string') {
            return _date[f]();
        } else if (typeof f === 'function') {
            return f(_date);
        } else if (typeof f === 'object' && typeof (f[0]) === 'string') {
            return _xPad(_date[f[0]](), f[1]);
        } else { // Shouldn't reach here
            return m1;
        }
    });
    return str;
}